Bharathidasan University, Degree Examination, Bio Chemistry, Molecular Biology, Nov 2020. model question papers

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Posted Date: 10 Jun 2021      Posted By:: Jannane.M    Member Level: Gold  Points: 3 (₹ 2)

2020 B.Sc. Biochemistry Bharathidasan University, Degree Examination, Bio Chemistry, Molecular Biology, Nov 2020. Question paper

Course: B.Sc. Biochemistry   University/board: Bharathidasan University

Are you looking for the old question papers from Bharathidasan University of Molecular Biology paper? Here is the previous year question paper from Bharathidasan University. This is the original question paper of Molecular Biology exam conducted in Nov 2020. Feel free to download the question paper from here and use it to prepare for your upcoming exams.

Bharathidasan University
(For candidates admitted from 2008-2015 batch) Degree Examination, Nov 2020


Molecular biology

Time : Three Hours Maximum : 75 marks

Part A - (10×2=20 marks)

Answer all questions

1. Differentiate Coding and Non coding DNA.

2. State the function of DNA polymerase.

3. What is mRNA capping?

4. Mention some of the inhibitors of transcription.

5. What is genetic code?

6. Define Cistron.

7. What is operon? Write an example.

8. Define induction.

9. Comment on cosmid

10. Define splicing.

Part B - (5×5=25 marks)

Answer all questions choosing either (a) or (b)

11.a) Give an account on semiconservative mode of replication.


b) Enumerate the repair mechanism of DNA.

12.a) Give an account on Reserve transcription.


b) Discuss on RNA polymerase.

13.a) Explain the inhibitors of protein synthesis.


b) Differentiate the Prokaryotic and Eukaryotic ribosome.

14.a) Write about the regulation of gene expression in Trp operon.


b) Brief account on enzyme induction.

15.a) Write a short note on restriction endonuclease.


b) Give an outline on gene cloning.

Part C - (3×10=30 marks)

Answer any Three questions

16. Describe the Griffith experiment to prove DNA as genetic material.

17. Explain the post transcriptional modification of tRNA.

18. Enumerate the post translational modification of protein.

19. Describe the Prokaryotic transcriptional regulation.

20. Describe the various application of genetic engineering in medicine.

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